LC4256V-5F256BC

Complex Programmable Logic Devices Overview

The LC4256V-5F256BC is a Complex Programmable Logic Device (CPLD) from Lattice Semiconductor's ispMACH 4000V family. It features 256 macrocells, 16 logic blocks, and 138 usable I/Os within a 256-pin FineLine BGA package. The device operates with an internal supply voltage of 3.0V to 3.6V and offers a maximum propagation delay of 5ns. It supports in-system programmability and functions across a commercial temperature range of 0°C to 70°C.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 256 macrocells and 16 logic blocks for complex logic implementation
• In-system programmability allowing design updates without removing the component from the PCB
• Low power consumption characteristics inherent to the ispMACH 4000V technology node
• Supports high-speed data rates with a 5ns maximum propagation delay

Complex Programmable Logic Devices Applications

• Bus bridging and protocol conversion in embedded systems
• Address decoding and control logic generation
• State machine implementation for industrial automation controllers
• Interface adaptation between legacy and modern digital components

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'F256BC' against the manufacturer's current datasheet to confirm package dimensions and pinout compatibility. Ensure the procurement channel provides original manufacturer packaging to maintain moisture sensitivity level integrity. Check for RoHS compliance status as per the latest regulatory requirements for the production batch.

Complex Programmable Logic Devices Selection Notes

Select this model when designs require moderate logic density with guaranteed timing performance under 5ns. Compare against the LC4256V-5TN100C if board space constraints favor a smaller QFP package over the 256-pin BGA form factor. Consider the V variant for improved low-power operation compared to older non-V series devices.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4000V family, representing an evolution of Lattice's CPLD portfolio focused on lower power and higher performance. It serves as a drop-in replacement for many legacy GAL and EPM devices, offering reprogrammability and higher integration levels than discrete logic solutions.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements may include other variants within the LC4256V family with different package codes. Verify electrical specifications and I/O drive strengths when substituting with non-Lattice CPLDs, as logic block architectures often differ significantly.